Merge pull request #166 from DrJest/master

Changed spotify tag to music one. Now supports deezer, soundcloud and ra...
Update submodules. Little changes to `class/messages.class.php`
Remove base64 image. (Putting it in the js, means download the image every time). Add image in static path (avaiable both and without ssl)
Add missing semicolon
Improve dailymotion embedding
Improve dailymotion embedding support
Fix typo